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(2Z,7E)-Deca-2,7,9-trienoic acid (1R,2S,5R)-5-methyl-2-(1-methyl-1-phenyl-ethyl)-cyclohexyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

80656-21-9

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80656-21-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80656-21-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,6,5 and 6 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 80656-21:
(7*8)+(6*0)+(5*6)+(4*5)+(3*6)+(2*2)+(1*1)=129
129 % 10 = 9
So 80656-21-9 is a valid CAS Registry Number.

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